Answer:
when it gets high pressure
HI is most noticeable during the summer and winter. The main cause of the urban heat island effect is from the modification of land surfaces. Waste heat generated by energy usage is a secondary contributor. As a population center grows, it tends to expand its area and increase its average temperature.
Answer:
Canada is colder because it is up North. It isn't as humid as it is in the south so it makes the air more dry and thin, making it colder. Where in the Amazon, it is warm and moist because it is by the equator and is near the tropics.
Explanation:
I hope this can help... I just answered with what I learned in science...